Migration to Java 17

.github/workflows/build.yml

@@ -23,11 +23,11 @@ jobs:
         ref: badges
         path: badges
 
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v3
       with:
         distribution: 'adopt'
-        java-version: '11'
+        java-version: '17'
 
     - name: Build with Maven
       run: mvn -B package -Pcoverage

.github/workflows/codeql-analysis.yml

@@ -37,6 +37,12 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v3
 
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        distribution: 'adopt'
+        java-version: '17'
+
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2

.github/workflows/docs.yml

@@ -25,11 +25,11 @@ jobs:
         ref: gh-pages
         path: gh-pages
 
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v3
       with:
         distribution: 'adopt'
-        java-version: '11'
+        java-version: '17'
 
     - name: Build docs with Maven
       run: mvn compile javadoc:javadoc

.github/workflows/manual-deploy-github-only.yml

@@ -18,11 +18,11 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Set up JDK 11 for deploy to github packages
+    - name: Set up JDK 17 for deploy to github packages
       uses: actions/setup-java@v3
       with:
         distribution: 'adopt'
-        java-version: '11'
+        java-version: '17'
         server-id: github
 
     - name: Build with Maven

.github/workflows/manual-deploy.yml

@@ -17,11 +17,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v3
       with:
         distribution: 'adopt'
-        java-version: '11'
+        java-version: '17'
         server-id: github
 
     - name: Build with Maven

.github/workflows/maven-publish.yml

@@ -19,11 +19,11 @@ jobs:
       id: get_version
       run: echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\/v/}
 
-    - name: Set up JDK 11 for deploy to OSSRH
+    - name: Set up JDK 17 for deploy to OSSRH
       uses: actions/setup-java@v3
       with:
         distribution: 'adopt'
-        java-version: '11'
+        java-version: '17'
         server-id: ossrh 
         server-username: MAVEN_USERNAME
         server-password: MAVEN_CENTRAL_TOKEN
@@ -43,11 +43,11 @@ jobs:
         MAVEN_CENTRAL_TOKEN: ${{ secrets.MAVEN_CENTRAL_TOKEN }}
         MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}		
 
-    - name: Set up JDK 11 for deploy to github packages
+    - name: Set up JDK 17 for deploy to github packages
       uses: actions/setup-java@v3
       with:
         distribution: 'adopt'
-        java-version: '11'
+        java-version: '17'
         server-id: github 
 
     - name: Publish to GitHub Packages Apache Maven

.lift.toml

@@ -1,4 +1,4 @@
-jdkVersion = "11"
+jdkVersion = "17"
 
 # don't run eslint... it is for js and will detect false positives 
 # in javadoc directories.

CHANGELOG.md

@@ -4,11 +4,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased] - 2022-06-01
+## [Unreleased] - 2022-06-02
+
+**BREAKING CHANGES:** The next release is a major release that includes breaking changes. See
+details below.
 
 ### Added
 
 ### Changed
+* Minimum supported Java version is now Java 17 (breaking change).
 
 ### Deprecated
 

README.md

@@ -32,13 +32,19 @@ computation on permutations and sequences. It includes implementations of a vari
 of permutation distance metrics as well as distance metrics on sequences (i.e., Strings, 
 arrays, and other ordered data types). 
 
-## Java 11+
+## Java 17+
 
-Beginning with version 3.0.0, the library supports Java 11+. Our development process 
-utilizes OpenJDK 11, and all jar files released via Maven Central, GitHub Packages, 
-and GitHub Releases are built with a Java 11 target.
+We currently support Java 17+. See the following table for mapping between library version
+and minimum supported Java version.
 
-Versions prior to 3.0.0 previously required Java 8+.
+| version | Java requirements |
+| --- | --- |
+| 4.x.y | Java 17+ |
+| 3.x.y | Java 11+ |
+| 1.x.y to 2.x.y | Java 8+ |
+
+The jar files of the library are released via Maven Central, GitHub Packages, 
+and GitHub Releases.
 
 ## Versioning Scheme
 
@@ -86,7 +92,7 @@ module your.module.name.here {
 
 This module includes the `org.cicirello.permutations` and `org.cicirello.sequences`
 packages as well as their subpackages. See the [API documentation](https://jpt.cicirello.org/api) 
-for details.
+for details of all packages included in this module.
 
 Beginning with version 3.0.0, randomization and other math utilities, and some
 generic utilities, have been
@@ -95,12 +101,8 @@ and [org.cicirello.core](https://github.com/cicirello/core), which are
 now dependencies of JavaPermutationTools. Your dependency manager (see next section)
 will handle downloading these for you. 
 
-To ease the transition of users of the library who may have been relying on those
-utilities, we have configured the `module-info.java` for the `org.cicirello.jpt` module to
-require these transitively so that your application should only need to
-require `org.cicirello.jpt` to access the functionality of those new modules.
-However, it is possible that you __may__ actually need the following to access
-some of that functionality, such as the RandomIndexer class, or other math or utility classes:
+If you are directly utilizing the functionality of the dependencies, then you may instead 
+need the following:
 
 ```Java
 module your.module.name.here {
@@ -119,7 +121,7 @@ with the version you want to use.
 <dependency>
   <groupId>org.cicirello</groupId>
   <artifactId>jpt</artifactId>
-  <version>3.0.0</version>
+  <version>4.0.0</version>
 </dependency>
 ```
 
@@ -146,9 +148,9 @@ or if you simply prefer to download manually, prebuilt jars are also attached to
 each [GitHub Release](https://github.com/cicirello/JavaPermutationTools).
 
 In addition to the regular jar of the library, we also regularly publish a
-`jar-with-dependencies`. The `jar-with-dependencies` is built for a Java 11 target,
-but does not contain any module declarations (unlike the regular jar file which does).
-Therefore, the `jar-with-dependencies` should be used on the classpath. 
+`jar-with-dependencies`. The `jar-with-dependencies` does not contain any module 
+declarations (unlike the regular jar file which does). Therefore, the 
+`jar-with-dependencies` should be used on the classpath. 
 
 ## License
 

pom.xml

@@ -6,7 +6,7 @@
 
 	<groupId>org.cicirello</groupId>
 	<artifactId>jpt</artifactId>
-	<version>3.0.0</version>
+	<version>4.0.0</version>
 	<packaging>jar</packaging>
 
 	<name>JavaPermutationTools</name>
@@ -184,7 +184,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<maven.compiler.release>11</maven.compiler.release>
+		<maven.compiler.release>17</maven.compiler.release>
 	</properties>
 
 	<build>